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Published In: Prodrome des Cinquième et Sixième Familles de l'Aethéogamie 88. 1805. (Prodr. Aethéogam.) Name publication detail
 

Project Name Data (Last Modified On 10/17/2009)
Acceptance : Accepted
Project Data     (Last Modified On 4/18/2018)
Plant Category: Mosses
country distribution: Venezuela, Colombia, Ecuador, Peru, Bolivia
EcoRegions: Páramo, Puna, Open montane
elevation: 1500-2000, 2000-2500, 2500-3000, 3000-3500, 3500-4000
substrate: soil, leaf litter / humus
frequency: common
General Reference:

Notes     (Last Modified On 4/18/2018)
Notes:

Ecology: Open montane to páramo and humid puna; seeps and bogs. Elevation: 1725-4200 m (Venezuela: 625-2530 m, Colombia: 1725-3800 m, Peru: 4200 m, Bolivia: 3000-4100 m). Distribution: Widespread in the Northern Hemisphere, northern South America. Andean collections are referred to var. recurvum (cf. Cum 1984). Assigned to section Cuspidata.

Ecología: Montano abierto a páramo y puna húmeda. Elevación: 1725-4200 m (Venezuela: 625-2530 m, Colombia: 1725-3800 m, Ecuador: 2770-3080 m, Perú: 4200 m, Bolivia: 3000-4100 m). Distribución: Ampliamente distribuida en el Hemisferio Norte, norte de Sudamérica. Nuestras colecciones fueron asignadas a la var. recurvum ver Crum (1984). Asignada a la sección Cuspidata.

Crum (1984) notes that Sphagnum recurvum (as var. recurvum) is a typically robust plant, with distinctly radiate arrangement of branches in the capitulum, the stem leaves large and lingulate to broadly oblong-triangular with the broad rounded-truncate apex that is erose-fringed, and the branch leaves exhibit distinctly undulate margins when dry.


 

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Plants somewhat robust, bright-green to yellow or yellowish-green, tufted. Stem cortex weakly differentiated, 1-layered, fibrils and pores absent, cells long-rectangular, wood cylinder yellow-green. Stem leaves lingulate to somewhat broadly triangular, mostly longer than wide, 0.7-1.3 mm, flat, not concave, apex broadly rounded or truncate and moderately to strongly erose, margin border of linear cells broader below but not abruptly widened or sharply differentiated; hyaline cells not divided, without pores or fibrils or rarely with rudiments of fibrils near the apex and very rarely with well-developed fibrils in the upper 1/2 or more, mostly resorbed on the inner surface toward the apex. Branches in fascicules of 4-5 rarely 6 (2-3 spreading, 2-3 pendent), retort cells with inconspicuous necks, often one above the other. Branch leaves lanceolate, 1.3-1.4 mm, involute-concave when moist, ± flattened, wavey-margined and recurved at the tips when dry, toothed across the narrow, truncate apex, margins bordered by 2-4 rows of linear cells,; hyaline cells on the outer surface with a rather large and conspicuous window pore or membrane gap at the upper end and near the leaf tip with 2-6, small, ringed pores at the corners and commissures, on the inner surface with 3-7 rather large, unringed rounded pores at corners and along commissures (but often faint, staining required); in cross-section green cells isosceles-triangular, exposed more on the outer surface, apex reaching the inner; hyaline cells ± convex on the inner surface, plane on the outer. Crum 1984.

 
 


 

 
 
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